Pump



FIG. 1 is a front perspective view of a pump showing the design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken line drawings of the hose fittings, controls, and similar features are for illustrative purposes only and form no part of the claimed design. The electrical cord in FIGS. 2-5 is shown broken away to indicate indeterminate length. 

I claim the ornamental design for a pump, as shown and described. 